There has only been one breakdown of elite consensus in American history; it resulted in the ___________________

Oklahoma's version of the ___________________, adopted as an amendment to the state constitution in 1910, required literacy tests for all voters whose ancestors had not been entitled to vote prior to 1866

a. poll tax b. white primary c. Fifteenth Amendment d. grandfather clause

When analyzing data with a regression, statisticians are often concerned with the residuals. What are residuals and why are they important?

What will be an ideal response?